/* ═══════════════════════════════════════════════════════════════════════════
   ADWA VPS — BLOG & TECH ARTICLES DESIGN SYSTEM (css/blog.css)
   ═══════════════════════════════════════════════════════════════════════════ */

/* ─── Blog Hero Banner ─────────────────────────────────────────────────────── */
.blog-hero {
  padding: 4.5rem 0 2.5rem;
  background: radial-gradient(circle at 50% 0%, var(--border-subtle) 0%, transparent 70%);
  text-align: center;
}

.blog-hero-title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.15;
  margin: 0.75rem 0;
  color: var(--text-primary);
}

.blog-hero-subtitle {
  max-width: 680px;
  margin: 0 auto 2rem;
  color: var(--text-secondary);
  font-size: 1.05rem;
  line-height: 1.6;
}

/* ─── Search & Category Controls ─────────────────────────────────────────── */
.blog-controls-wrap {
  margin-bottom: 2.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.blog-search-box {
  position: relative;
  max-width: 550px;
  margin: 0 auto;
  width: 100%;
}

.blog-search-box input {
  width: 100%;
  padding: 0.85rem 1rem 0.85rem 2.85rem;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: 9999px;
  font-size: 0.95rem;
  color: var(--text-primary);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.03);
  transition: all 0.2s ease;
}

.blog-search-box input:focus {
  outline: none;
  border-color: var(--brand-primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

.blog-search-icon {
  position: absolute;
  left: 1.1rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  font-size: 0.95rem;
  pointer-events: none;
}

.blog-categories {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.blog-cat-pill {
  padding: 0.5rem 1.15rem;
  border-radius: 9999px;
  border: 1px solid var(--border-subtle);
  background: var(--bg-surface);
  color: var(--text-secondary);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
}

.blog-cat-pill:hover {
  background: var(--border-subtle);
  color: var(--text-primary);
}

.blog-cat-pill.active {
  background: var(--brand-primary);
  color: #FFFFFF;
  border-color: var(--brand-primary);
  box-shadow: 0 4px 10px rgba(37, 99, 235, 0.25);
}

/* ─── Featured Hero Article Card ─────────────────────────────────────────── */
.featured-article-card {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: 16px;
  overflow: hidden;
  margin-bottom: 3rem;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.04);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
  text-decoration: none;
  color: inherit;
}

.featured-article-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 32px rgba(0, 0, 0, 0.08);
}

.featured-cover-wrap {
  position: relative;
  min-height: 320px;
  background: #111827;
  overflow: hidden;
}

.featured-cover-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.featured-article-card:hover .featured-cover-img {
  transform: scale(1.04);
}

.featured-badge {
  position: absolute;
  top: 1rem;
  left: 1rem;
  background: var(--brand-primary);
  color: #FFF;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.35rem 0.75rem;
  border-radius: 9999px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.featured-body {
  padding: 2.5rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.featured-meta {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 0.85rem;
}

.featured-cat-tag {
  color: var(--brand-primary);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-size: 0.75rem;
}

.featured-title {
  font-size: 1.6rem;
  font-weight: 800;
  line-height: 1.25;
  color: var(--text-primary);
  margin-bottom: 0.85rem;
}

.featured-summary {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 1.5rem;
}

.featured-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--border-subtle);
  padding-top: 1.25rem;
  margin-top: auto;
}

.author-wrap {
  display: flex;
  align-items: center;
  gap: 0.65rem;
}

.author-avatar {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--brand-primary);
  font-size: 0.9rem;
}

.author-name {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-primary);
}

.read-more-link {
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--brand-primary);
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

/* ─── Articles Grid ──────────────────────────────────────────────────────── */
.articles-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1.75rem;
  margin-bottom: 3.5rem;
}

.article-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: 14px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.03);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
  text-decoration: none;
  color: inherit;
}

.article-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.06);
}

.article-card-cover {
  position: relative;
  height: 190px;
  background: #111827;
  overflow: hidden;
}

.article-card-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.35s ease;
}

.article-card:hover .article-card-cover img {
  transform: scale(1.05);
}

.article-card-body {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.article-card-meta {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-bottom: 0.65rem;
}

.article-card-cat {
  color: var(--brand-primary);
  font-weight: 700;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.article-card-title {
  font-size: 1.15rem;
  font-weight: 700;
  line-height: 1.35;
  color: var(--text-primary);
  margin-bottom: 0.65rem;
}

.article-card-summary {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.55;
  margin-bottom: 1.25rem;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.article-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: auto;
  padding-top: 1rem;
  border-top: 1px solid var(--border-subtle);
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* ─── Single Article Reader Layout ───────────────────────────────────────── */
.article-reader-wrap {
  max-width: 820px;
  margin: 0 auto;
  padding: 3rem 1.25rem 5rem;
}

.article-breadcrumbs {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
}

.article-breadcrumbs a {
  color: var(--text-secondary);
  text-decoration: none;
}

.article-breadcrumbs a:hover {
  color: var(--brand-primary);
}

.article-header {
  margin-bottom: 2.5rem;
}

.article-cat-badge {
  display: inline-block;
  padding: 0.35rem 0.85rem;
  border-radius: 9999px;
  background: rgba(37, 99, 235, 0.1);
  color: var(--brand-primary);
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 1rem;
}

.article-main-title {
  font-size: clamp(2rem, 3.8vw, 2.75rem);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  margin-bottom: 1.25rem;
}

.article-author-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  padding: 1rem 0;
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}

.article-author-info {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.article-author-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  color: var(--brand-primary);
}

.article-author-name {
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--text-primary);
}

.article-date-read {
  font-size: 0.82rem;
  color: var(--text-muted);
  display: flex;
  gap: 0.65rem;
}

.article-social-share {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.share-btn {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid var(--border-subtle);
  background: var(--bg-surface);
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  cursor: pointer;
  transition: all 0.2s ease;
  text-decoration: none;
}

.share-btn:hover {
  background: var(--brand-primary);
  color: #FFF;
  border-color: var(--brand-primary);
}

.article-lead-image {
  width: 100%;
  height: auto;
  max-height: 440px;
  object-fit: cover;
  border-radius: 14px;
  margin: 2rem 0;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.05);
}

/* ─── Typography & Content Formatting ─────────────────────────────────────── */
.article-prose {
  color: var(--text-secondary);
  font-size: 1.05rem;
  line-height: 1.75;
}

.article-prose p {
  margin-bottom: 1.5rem;
}

.article-prose h2 {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--text-primary);
  margin: 2.5rem 0 1rem;
  letter-spacing: -0.02em;
}

.article-prose h3 {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text-primary);
  margin: 2rem 0 0.85rem;
}

.article-prose ul, .article-prose ol {
  margin: 1rem 0 1.75rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.article-prose li {
  line-height: 1.6;
}

.article-prose hr {
  border: none;
  border-top: 1px solid var(--border-subtle);
  margin: 2.5rem 0;
}

.article-prose pre {
  background: #0D1117;
  color: #E6EDF3;
  padding: 1.25rem 1.5rem;
  border-radius: 10px;
  overflow-x: auto;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.9rem;
  line-height: 1.5;
  margin: 1.25rem 0 1.75rem;
  border: 1px solid rgba(255, 255, 255, 0.1);
  position: relative;
}

.article-prose code:not(pre code) {
  background: var(--border-subtle);
  color: var(--brand-primary);
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.88rem;
  padding: 0.2rem 0.45rem;
  border-radius: 4px;
}

.article-prose blockquote {
  border-left: 4px solid var(--brand-primary);
  padding: 0.75rem 1.25rem;
  margin: 1.5rem 0;
  background: rgba(37, 99, 235, 0.05);
  border-radius: 0 8px 8px 0;
  font-style: italic;
  color: var(--text-primary);
}

.article-prose table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.75rem 0;
  font-size: 0.92rem;
}

.article-prose th {
  background: var(--border-subtle);
  color: var(--text-primary);
  font-weight: 700;
  padding: 0.75rem;
  text-align: left;
}

.article-prose td {
  padding: 0.75rem;
  border-bottom: 1px solid var(--border-subtle);
}

/* ─── Article CTA Box ────────────────────────────────────────────────────── */
.article-cta-box {
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.08) 0%, rgba(16, 185, 129, 0.08) 100%);
  border: 1px solid rgba(37, 99, 235, 0.2);
  border-radius: 14px;
  padding: 2.25rem;
  margin: 3.5rem 0 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1.5rem;
}

.article-cta-text h4 {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 0.4rem;
}

.article-cta-text p {
  color: var(--text-secondary);
  font-size: 0.92rem;
  margin: 0;
}

/* ─── Tags List ──────────────────────────────────────────────────────────── */
.article-tags-wrap {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-subtle);
}

.article-tag-item {
  background: var(--border-subtle);
  color: var(--text-secondary);
  padding: 0.35rem 0.8rem;
  border-radius: 9999px;
  font-size: 0.78rem;
  font-weight: 600;
}

/* ─── Related Articles ───────────────────────────────────────────────────── */
.related-section {
  border-top: 2px solid var(--border-subtle);
  padding-top: 3.5rem;
  margin-top: 4rem;
}

.related-title {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 1.75rem;
}

/* ─── Responsive Media Queries ───────────────────────────────────────────── */
@media (max-width: 900px) {
  .featured-article-card {
    grid-template-columns: 1fr;
  }
  .featured-cover-wrap {
    min-height: 220px;
  }
  .featured-body {
    padding: 1.75rem;
  }
}

@media (max-width: 600px) {
  .articles-grid {
    grid-template-columns: 1fr;
  }
  .article-cta-box {
    flex-direction: column;
    text-align: center;
  }
  .article-cta-text {
    width: 100%;
  }
}